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misc/goldfish: Compatible with x86_64 goldfish pipe

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x86_64 uses 4-5G virtual addresses, we need to convert them into physical addresses and pass them to qemu, otherwise qemu will fail to map

Signed-off-by: liwenxiang1 <liwenxiang1@xiaomi.com>
This commit is contained in:
liwenxiang1 2024-08-08 12:56:55 +08:00 committed by Xiang Xiao
parent 908cd1b10a
commit 868b17bc5a
1 changed files with 5 additions and 9 deletions
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14
drivers/misc/goldfish_pipe.c
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@ -117,11 +117,6 @@
#define goldfish_pipe_putreg32(v, x) (*(FAR volatile uint32_t *)(x) = (v))
#define goldfish_pipe_getreg32(x) (*(FAR volatile uint32_t *)(x))
#define goldfish_pipe_getupper32(n) ((uint32_t)(((n) >> 16) >> 16))
#define goldfish_pipe_getlower32(n) ((uint32_t)(n))
#define BIT(nr) (1 << (nr))
/****************************************************************************
* Private Types
****************************************************************************/
@ -288,7 +283,7 @@ static ssize_t goldfish_pipe_transfer_one(FAR struct goldfish_pipe_s *pipe,
return ret;
}
pipe->command.rw_params.ptrs[0] = (uintptr_t)buffer;
pipe->command.rw_params.ptrs[0] = up_addrenv_va_to_pa(buffer);
pipe->command.rw_params.sizes[0] = buflen;
pipe->command.rw_params.buffers_count = 1;
@ -487,7 +482,7 @@ static int goldfish_pipe_open(FAR struct file *filep)
/* Now tell the emulator we're opening a new pipe. */
dev->open_params.command_buffer_ptr = (uintptr_t)&pipe->command;
dev->open_params.command_buffer_ptr = up_addrenv_va_to_pa(&pipe->command);
dev->open_params.rw_params_max_count = GOLDFISH_PIPE_MAX_COMMAND_BUFFERS;
ret = goldfish_pipe_command_locked(pipe, GOLDFISH_PIPE_CMD_OPEN);
@ -612,8 +607,9 @@ static int goldfish_pipe_interrupt(int irq, FAR void *context, FAR void *arg)
static void goldfish_pipe_write_addr(FAR void *addr,
FAR void *portl, FAR void *porth)
{
goldfish_pipe_putreg32(goldfish_pipe_getupper32((uintptr_t)addr), porth);
goldfish_pipe_putreg32(goldfish_pipe_getlower32((uintptr_t)addr), portl);
uintptr_t paddr = up_addrenv_va_to_pa(addr);
goldfish_pipe_putreg32((paddr >> 16) >> 16, porth);
goldfish_pipe_putreg32(paddr, portl);
}
/****************************************************************************